2019 Phys 102 Circuit Review (tougher)

Question 1

Which of the following is equal to the voltage from the battery?

Accepted Answer

Va + Vb

Question 2

Which of the following is correct?

Accepted Answer

I1 = I2 + I3

Question 3

On the picture below, what equation relates the voltages of R1, R2, R3, & R4 accurately?

Accepted Answer

V1 + V3 + V4 = 60 V, V1 + V2 +V4 = 60 V

Question 4

On the picture below, what is the current thru R4?

Accepted Answer

4 A

Question 5

On the picture below, what is the current leaving the battery?

Accepted Answer

4 A

Question 6

In the picture below, which resistor has more current? 100 Ohms or 250 Ohms?

Accepted Answer

100 Ohms

Question 7

On the picture below, what is the total resistance of all four resistors below?

Accepted Answer

15 Ohms

Question 8

On the picture below, what is the total resistance of the R2 & R3?

Accepted Answer

4 Ohms

Question 9

On the picture below, what is the current thru R2?

Accepted Answer

2 A

Question 10

On the picture below, how does the current thru R1 compare to the current thru R4

Accepted Answer

I1 = I4

Question 11

On the picture below, what equation relates the currents of R1, R2, & R3

Accepted Answer

I1 = I2 + I3

Question 12

On the picture below, what is the voltage across R2?

Accepted Answer

16 V

Questions 12